/* 业务覆盖 专业方案 */

/* 业务板块整体容器 */
#business {
    margin: 0 auto;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    margin-bottom: 20px;
    max-width: 14.5rem;
    justify-items: center;
    padding: 40px 0;
    /* 上下内边距，可根据需要调整 */
}

.index_title {
    text-align: center;
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin-bottom: 30px;
}

.row {
    display: flex;
    gap: 20px;
    /* 板块之间的间距 */
    justify-content: center;
    /* 让板块水平居中分布，也可根据需求改 space-between 等 */
}

.col {
    flex: 1;
    min-width: 280px;
    /* 保证最小宽度，防止过窄 */
}

/* 单个业务服务容器 */
.service {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    /* 圆角，可根据喜好调整 */
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    /* 轻微阴影增加层次感 */
    cursor: pointer;
}

.service img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
    /* 图片缩放过渡 */
}

/* 内容遮罩层 */
.service .content {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: all 0.4s ease;
}

.service .icon {
    width: 50px;
    height: 50px;
    margin-bottom: 12px;
}

.service .line {
    width: 2px;
    height: 25px;
    background: #fff;
    margin: 8px 0;
    transition: transform 0.4s ease;
}

.service .title {
    font-size: 18px;
    font-weight: bold;
}

/*  hover 交互效果 */
.service:hover img {
    transform: scale(1.05);
    /* 图片稍微放大 */
}

.service:hover .content {
    background: rgba(0, 0, 0, 0.75);
    /* 遮罩加深 */
}

.service:hover .line {
    transform: rotate(90deg);
    /* 线条旋转 */
}